Bottle-filling machine



BOTTLE FILLING MACHINE Filed oct.' 22 192;

WITNESSESS INVENTORS ATTORNEYS',

spond, and the diameter of the piston 2O is of such dimension as tosnugly fit the same yet permit ready reciprocation thereof. It is alsonoted that the lower extremities of arms 88 and 39 extend very close toopening l0 but terminate sufiiciently distant therefrom to preventobstructing the same and the passage of piston 20.

rlhe mechanism for actuating the piston previously described causes itto traverse the entire length of the nozzle 4t2 and to rise asubstantial distancer above the opening 40 and the extremities of arms3S and 39, in order to permit free entry of the material contained inhopper-35 into the nozzle.

The operation of the device is as follows:

The powdered material to be dispensed is placed in the hopper. 35 andthe neck of a bottle to be filled is brought into alignment with thenozzle by any suitable means, either automatic r manual, but as suchmechanism forms no part of the present invention the same has not beenillustrated. Motor 7 drives gears l0 and 11 through the worm 9, gear 11,causing reciprocation of piston by means of crank 12, link 13, crosshead 14 and rod 19, While gear 10 rotates sleeve 23, the spider -26 anddepending arms 88 and 39. Arms 38, 39 may be adjusted by actuating theturn buckle so as to secure a setting between the same and the innersurface of the hopper giving the best results and not only prevent the.powdered material from adhering to the side of the hopper but keep thesame in an agitated and pulverized condition preventing the particlesthereof from cohering and forming agglomerated masses. The material isthus kept in such condition that the finely divided particles do noteither stick 'to each other or to the sides of the hopper,

the same liowing freely through the opening 40 into the nozzle 47whenever the piston 20 rises above the discharge opening and ends ofarms 38, 39 on its upward stroke, the extreme limit of which isindicated by the full lines in the drawings. On the downward stroke ofthe piston the same positively discharges whatever material haspreviously entered the nozzle and remains therein. f

In actual practice the piston 20 is caused to reciprocate one or moretimes after the bottle has been lled with the discharged powder so as topartially pack the same therein, care being taken not to prolong thepacking operation to such extent as to subject the bottles to suflicientpressure to cause breakage.

The guard 49 acts as a shroud around the neck of bottle 50 preventingspilling 0r waste of the powder during the filling operation. After theplunger has been reciprocated a sufficient number of times to eliiectthe desired filling and packing, and the required number for varioussized bottles is determined by experiment, the lilled bottle is removedand an empty one brought underthe nozzle for filling in a similarmanner. The lled bottle is replaced by an empty one during the upwardmovement of piston 20 from the lowest point in its stroke, as indicatedin dotted lines, to the discharge opening 40, the said piston during thesaid portion of its stroke acting as a valve preventing dischargethrough the nozzle.

By arranging the parts in the manner described a very compact device 1sprovided in which a single drive shaft actuates both means for rotatingthe wiper and agitator arms as well as reciprocating the dischargepiston and in which parts of the former aid in accurately guiding thereciprocating c plunger. It is thus seen that the device describedprovides a simple, inexpensive and highly eiiicient construction for thepurpose intended.

le claim:

1. In a device of the kind described, the combination of a conicalhopper providedv with a discharge opening therein, a rotary spider,varms attached to said spider and proj ecting into the hopper, theentirelength of said arms lying adjacent and at a substantially uniformdistance from the inner surface of the hopper and constantly extendinginto the proximity of the discharge opening, a reciprocating plunger inthe hopper disposed between the lower extremities of said arms fordischarging material therefrom. i

2. ln a. device of the kind described, the combination of a conicalhopper provided with a discharge opening therein, a rotary spider, armsattached to said spider and projecting into the hopper, the entirelength of said arms lying adjacent the inner surface of the hopper andconstantly extending into the proximity of the discharge opening, meansfor adjusting the clearancel between the said arms and surface, and areciprocating plunger in the hopper disposed between the lowerextremities of said arms for discharging material therefrom.v V

3. In a device of the kind described, the combination of a conicalhopper having a discharge opening at the center of its lower end, arotary spider, downwardly projectingy arms at all times conforming tothe inclination of the hopper wall and lying at a substantially uniformdistance and adjacent thereto, said arms constantly extending into thelregion of the discharge opening but unobstructing the same, areciprocating" 4. Ina device of the kind described,v Ithe icombina-tionfof a frame, a hopper disposed there-beneath havingadischarge opening,a 1 spider rotatable in the vhopper and provided witha central threaded aperture, a bearing on the 1frame,' afgear supportedthereby, a` sleeve depending from the'gear journaled in the bearing andattached to the spider for supporting the same, inclined armsv `fixed tothe spider lying adj acentjthe hopper Wall and extending into theregiony ofsaid dis' charge opening, af-piston fitting the vdis,-v

charge opening', arodl thereforqpassing through and guided .by .the saidsleeve, and

means `for driving the said'gear and piston rod. A A

5. In a device of the ikindV described, the

-combination of a conical dischargefhopper provided with a dischargeopening, a collarv fixed tov the hopper and surrounding the dis.-` v

charge opening,ia cylindrical .nozzle Whose .internal .diametercorresponds to that of the k said opening fixed-t0 thecollar, arms lyingv i ata 'substantially'uniform. distance fromf and conforming atalltimesto the inclination-of thehopper Welland constantly eX-. tending.intofthe region ofy the nozzle, al reciproc'ating. lplunger fitting ;ythe discharge Vopening and nozzle, means for rotatingsaid 30 plunger onits upwardfstroke moving to a arms and for reciprocating lthe plunger,the

,aff

point abovev the lovve'r` extremities of the,"

arms' and onitsvdownwardv stroke to the lower `end 'of the:- nozzle.`

-, Inl testimony` Whereof,.ylv vehereunto .sign

our names. 'p ki v GEORGE A.YH0WE.

"Witness: e

EDWIRVO'. JOHrIs.A4

' JULiUs VL.l KosMANN.vv i

